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323103212020 = 225237878591039
BaseRepresentation
bin1001011001110100111…
…00111100000111110100
31010212222121200210121101
410230322130330013310
520243203410241040
6404233115055444
732225540662531
oct4547234740764
91125877623541
10323103212020
11115033381456
1252752741584
13246123b7574
14118d1619d88
158610aaa09a
hex4b3a73c1f4

323103212020 has 96 divisors (see below), whose sum is σ = 710425497600. Its totient is φ = 123202594944.

The previous prime is 323103211979. The next prime is 323103212099. The reversal of 323103212020 is 20212301323.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310974661 + ... + 310975699.

It is an arithmetic number, because the mean of its divisors is an integer number (7400265600).

Almost surely, 2323103212020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323103212020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355212748800).

323103212020 is an abundant number, since it is smaller than the sum of its proper divisors (387322285580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323103212020 is a wasteful number, since it uses less digits than its factorization.

323103212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717 (or 2715 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 323103212020 its reverse (20212301323), we get a palindrome (343315513343).

The spelling of 323103212020 in words is "three hundred twenty-three billion, one hundred three million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 787 859 1039 1574 1718 2078 3148 3436 3935 4156 4295 5195 7870 8590 10390 15740 17180 18101 19757 20780 23897 36202 39514 47794 72404 79028 90505 95588 98785 119485 181010 197570 238970 362020 395140 477940 676033 817693 892501 1352066 1635386 1785002 2704132 3270772 3380165 3570004 4088465 4462505 6760330 8176930 8925010 13520660 15548759 16353860 17850020 18806939 20527523 31097518 37613878 41055046 62195036 75227756 77743795 82110092 94034695 102637615 155487590 188069390 205275230 310975180 376138780 410550460 702398287 1404796574 2809593148 3511991435 7023982870 14047965740 16155160601 32310321202 64620642404 80775803005 161551606010 323103212020